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Finding the Fourth Proportional to 11,075.66, 16,612.65 and 2,755.67

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Solution

The fourth proportional to 11,075.66, 16,612.65 and 2,755.67 is: 4,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.66 : 16,612.65 = 2,755.67 : x
  2. Step 2: Convert to fraction form
    11,075.66/16,612.65 = 2,755.67/x
  3. Step 3: Cross multiply
    11,075.66x = 16,612.65 × 2,755.67
  4. Step 4: Simplify right side
    11,075.66x = 45,778,999.36
  5. Step 5: Solve for x
    x = 45,778,999.36/11,075.66
  6. Step 6: Final answer
    x = 4,133.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.